CAT24C128HU3I-GT3 [ONSEMI]

128 kb I2C CMOS Serial EEPROM; 128 KB I2C CMOS串行EEPROM
CAT24C128HU3I-GT3
型号: CAT24C128HU3I-GT3
厂家: ONSEMI    ONSEMI
描述:

128 kb I2C CMOS Serial EEPROM
128 KB I2C CMOS串行EEPROM

可编程只读存储器 电动程控只读存储器 电可擦编程只读存储器
文件: 总14页 (文件大小:157K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
CAT24C128  
128 kb I2C CMOS Serial  
EEPROM  
Description  
The CAT24C128 is a 128 kb Serial CMOS EEPROM, internally  
organized as 16,384 words of 8 bits each.  
http://onsemi.com  
It features a 64byte page write buffer and supports both the  
2
Standard (100 kHz) as well as Fast (400 kHz) I C protocol.  
Write operations can be inhibited by taking the WP pin High (this  
protects the entire memory).  
Features  
PDIP8  
L SUFFIX  
CASE 646AA  
TSSOP8  
Y SUFFIX  
CASE 948AL  
2
Supports Standard and Fast I C Protocol  
1.8 V to 5.5 V Supply Voltage Range  
64Byte Page Write Buffer  
Hardware Write Protection for Entire Memory  
2
Schmitt Triggers and Noise Suppression Filters on I C Bus Inputs  
(SCL and SDA)  
SOIC8  
W SUFFIX  
CASE 751BD  
MSOP8  
Z SUFFIX  
UDFN8  
HU3 SUFFIX  
CASE 517AX  
Low Power CMOS Technology  
1,000,000 Program/Erase Cycles  
100 Year Data Retention  
CASE 846AD  
PIN CONFIGURATION  
Industrial and Extended Temperature Range  
8lead PDIP, SOIC, TSSOP, MSOP and UDFN Packages  
1
A
0
A
1
A
2
V
CC  
This Device is PbFree, Halogen Free/BFR Free and RoHS  
WP  
Compliant*  
SCL  
SDA  
V
CC  
V
SS  
PDIP (L), SOIC (W), TSSOP (Y),  
MSOP (Z), UDFN (HU3)  
SCL  
For the location of Pin 1, please consult the  
corresponding package drawing.  
CAT24C128  
SDA  
A , A , A  
2
1
0
PIN FUNCTION  
WP  
Pin Name  
Function  
Device Address Inputs  
Serial Data Input/Output  
Serial Clock Input  
Write Protect Input  
Power Supply  
A , A , A  
0
1
2
V
SS  
SDA  
Figure 1. Functional Symbol  
SCL  
WP  
*For additional information on our PbFree strategy and soldering details, please  
download the ON Semiconductor Soldering and Mounting Techniques  
Reference Manual, SOLDERRM/D.  
V
CC  
V
SS  
Ground  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 14 of this data sheet.  
© Semiconductor Components Industries, LLC, 2009  
1
Publication Order Number:  
September, 2009 Rev. 11  
CAT24C128/D  
CAT24C128  
Table 1. ABSOLUTE MAXIMUM RATINGS  
Parameter  
Rating  
Units  
°C  
Storage Temperature  
65 to +150  
0.5 to +6.5  
Voltage on Any Pin with Respect to Ground (Note 1)  
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the  
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect  
device reliability.  
1. The DC input voltage on any pin should not be lower than 0.5 V or higher than V + 0.5 V. During transitions, the voltage on any pin may  
CC  
undershoot to no less than 1.5 V or overshoot to no more than V + 1.5 V, for periods of less than 20 ns.  
CC  
Table 2. RELIABILITY CHARACTERISTICS (Note 2)  
Symbol  
(Note 3)  
Parameter  
Min  
1,000,000  
100  
Units  
Program / Erase Cycles  
Years  
N
Endurance  
END  
T
DR  
Data Retention  
2. These parameters are tested initially and after a design or process change that affects the parameter according to appropriate AECQ100  
and JEDEC test methods.  
3. Page Mode, V = 5 V, 25°C  
CC  
Table 3. D.C. OPERATING CHARACTERISTICS (V = 1.8 V to 5.5 V, T = 40°C to +125°C, unless otherwise specified.)  
CC  
A
Symbol  
Parameter  
Read Current  
Write Current  
Standby Current  
Test Conditions  
Min  
Max  
1
Units  
mA  
I
Read, f  
= 400 kHz  
= 400 kHz  
CCR  
SCL  
SCL  
I
Write, f  
3
mA  
CCW  
I
SB  
All I/O Pins at GND or V  
T = 40°C to +85°C  
A
1
mA  
CC  
T = 40°C to +125°C  
A
2
I
L
I/O Pin Leakage  
Pin at GND or V  
T = 40°C to +85°C  
A
1
mA  
CC  
T = 40°C to +125°C  
A
2
V
Input Low Voltage  
Input High Voltage  
Output Low Voltage  
Output Low Voltage  
0.5  
V
x 0.3  
V
V
V
V
IL  
CC  
V
IH  
V
x 0.7  
V
CC  
+ 0.5  
CC  
V
V
V
< 2.5 V, I = 3.0 mA  
0.4  
0.2  
OL1  
OL2  
CC  
OL  
V
< 2.5 V, I = 1.0 mA  
CC  
OL  
Table 4. PIN IMPEDANCE CHARACTERISTICS (V = 1.8 V to 5.5 V, T = 40°C to +125°C, unless otherwise specified.)  
CC  
A
Symbol  
Parameter  
SDA I/O Pin Capacitance  
Conditions  
Max  
8
Units  
pF  
C
C
I
(Note 4)  
(Note 4)  
(Note 5)  
V
IN  
V
IN  
V
IN  
V
IN  
= 0 V  
= 0 V  
IN  
IN  
Input Capacitance (other pins)  
WP Input Current  
6
pF  
< V  
200  
1
mA  
WP  
IH  
> V  
mA  
IH  
4. These parameters are tested initially and after a design or process change that affects the parameter according to appropriate AECQ100  
and JEDEC test methods.  
5. When not driven, the WP pin is pulled down to GND internally. For improved noise immunity, the internal pulldown is relatively strong;  
therefore the external driver must be able to supply the pulldown current when attempting to drive the input HIGH. To conserve power, as  
the input level exceeds the trip point of the CMOS input buffer (~ 0.5 x V ), the strong pulldown reverts to a weak current source.  
CC  
http://onsemi.com  
2
 
CAT24C128  
Table 5. A.C. CHARACTERISTICS (V = 1.8 V to 5.5 V, T = 40°C to +125°C) (Note 6)  
CC  
A
Standard  
Fast  
Min  
Max  
Min  
Max  
Symbol  
Parameter  
Units  
kHz  
ms  
F
SCL  
Clock Frequency  
100  
400  
t
START Condition Hold Time  
Low Period of SCL Clock  
High Period of SCL Clock  
START Condition Setup Time  
Data Hold Time  
4
4.7  
4
0.6  
1.3  
0.6  
0.6  
0
HD:STA  
t
ms  
LOW  
t
ms  
HIGH  
t
4.7  
0
ms  
SU:STA  
HD:DAT  
t
ms  
t
Data Setup Time  
250  
100  
ns  
SU:DAT  
t
SDA and SCL Rise Time  
SDA and SCL Fall Time  
STOP Condition Setup Time  
1000  
300  
300  
300  
ns  
R
t (Note 7)  
ns  
F
t
4
0.6  
1.3  
ms  
SU:STO  
t
Bus Free Time Between STOP and START  
SCL Low to SDA Data Out  
Data Out Hold Time  
4.7  
ms  
BUF  
t
AA  
3.5  
0.9  
ms  
t
100  
100  
ns  
DH  
T (Note 7)  
Noise Pulse Filtered at SCL and SDA Inputs  
WP Setup Time  
100  
100  
ns  
i
t
0
0
ms  
SU:WP  
HD:WP  
t
WP Hold Time  
2.5  
2.5  
ms  
t
Write Cycle Time  
5
1
5
1
ms  
ms  
WR  
t
(Notes 7 and 8)  
Powerup to Ready Mode  
PU  
6. Test conditions according to “A.C. Test Conditions” table.  
7. Tested initially and after a design or process change that affects this parameter.  
8. t is the delay between the time V is stable and the device is ready to accept commands.  
PU  
CC  
Table 6. A.C. TEST CONDITIONS  
Input Levels  
0.2 x V to 0.8 x V  
CC CC  
Input Rise and Fall Times  
Input Reference Levels  
Output Reference Levels  
Output Load  
v 50 ns  
0.3 x V , 0.7 x V  
CC  
CC  
0.5 x V  
CC  
Current Source: I = 3 mA (V 2.5 V); I = 1 mA (V < 2.5 V); C = 100 pF  
OL  
CC  
OL  
CC  
L
http://onsemi.com  
3
 
CAT24C128  
PowerOn Reset (POR)  
resistors. Master and Slave devices connect to the 2wire  
bus via their respective SCL and SDA pins. The transmitting  
device pulls down the SDA line to ‘transmit’ a ‘0’ and  
releases it to ‘transmit’ a ‘1’.  
The CAT24C128 incorporates PowerOn Reset (POR)  
circuitry which protects the device against powering up in  
the wrong state.  
The CAT24C128 will power up into Standby mode after  
Data transfer may be initiated only when the bus is not  
busy (see A.C. Characteristics).  
V
exceeds the POR trigger level and will power down into  
CC  
Reset mode when V drops below the POR trigger level.  
This bidirectional POR feature protects the device against  
‘brownout’ failure following a temporary loss of power.  
During data transfer, the SDA line must remain stable  
while the SCL line is HIGH. An SDA transition while SCL  
is HIGH will be interpreted as a START or STOP condition  
(Figure 2). The START condition precedes all commands. It  
consists of a HIGH to LOW transition on SDA while SCL  
is HIGH. The START acts as a ‘wakeup’ call to all  
receivers. Absent a START, a Slave will not respond to  
commands. The STOP condition completes all commands.  
It consists of a LOW to HIGH transition on SDA while SCL  
is HIGH.  
CC  
Pin Description  
SCL: The Serial Clock input pin accepts the Serial Clock  
generated by the Master.  
SDA: The Serial Data I/O pin receives input data and  
transmits data stored in EEPROM. In transmit mode, this pin  
is open drain. Data is acquired on the positive edge, and is  
delivered on the negative edge of SCL.  
Device Addressing  
A , A and A : The Address pins accept the device address.  
0
1
2
The Master initiates data transfer by creating a START  
condition on the bus. The Master then broadcasts an 8bit  
serial Slave address. The first 4 bits of the Slave address are  
set to 1010, for normal Read/Write operations (Figure 3).  
The next 3 bits, A , A and A , select one of 8 possible Slave  
When not driven, these pins are pulled LOW internally.  
WP: The Write Protect input pin inhibits all write  
operations, when pulled HIGH. When not driven, this pin is  
pulled LOW internally.  
2
1
0
devices and must match the state of the external address pins.  
The last bit, R/W, specifies whether a Read (1) or Write (0)  
operation is to be performed.  
Functional Description  
The CAT24C128 supports the InterIntegrated Circuit  
2
(I C) Bus data transmission protocol, which defines a device  
Acknowledge  
that sends data to the bus as a transmitter and a device  
receiving data as a receiver. Data flow is controlled by a  
Master device, which generates the serial clock and all  
START and STOP conditions. The CAT24C128 acts as a  
Slave device. Master and Slave alternate as either  
transmitter or receiver. Up to 8 devices may be connected to  
After processing the Slave address, the Slave responds  
with an acknowledge (ACK) by pulling down the SDA line  
th  
during the 9 clock cycle (Figure 4). The Slave will also  
acknowledge all address bytes and every data byte presented  
in Write mode. In Read mode the Slave shifts out a data byte,  
th  
and then releases the SDA line during the 9 clock cycle. As  
the bus as determined by the device address inputs A , A ,  
0
1
long as the Master acknowledges the data, the Slave will  
continue transmitting. The Master terminates the session by  
not acknowledging the last data byte (NoACK) and by  
issuing a STOP condition. Bus timing is illustrated in  
Figure 5.  
and A .  
2
2
I C Bus Protocol  
2
The I C bus consists of two ‘wires’, SCL and SDA. The  
two wires are connected to the V supply via pullup  
CC  
http://onsemi.com  
4
CAT24C128  
SCL  
SDA  
START  
CONDITION  
STOP  
CONDITION  
Figure 2. START/STOP Conditions  
DEVICE ADDRESS  
A
2
A
1
A
0
R/W  
1
0
1
0
Figure 3. Slave Address Bits  
BUS RELEASE DELAY (TRANSMITTER)  
1
BUS RELEASE DELAY (RECEIVER)  
SCL FROM  
MASTER  
8
9
DATA OUTPUT  
FROM TRANSMITTER  
DATA OUTPUT  
FROM RECEIVER  
ACK SETUP (t  
)
SU:DAT  
START  
ACK DELAY (t  
)
AA  
Figure 4. Acknowledge Timing  
t
F
t
t
R
HIGH  
t
t
LOW  
LOW  
SCL  
t
t
HD:DAT  
SU:STA  
t
t
t
SU:DAT  
SU:STO  
HD:STA  
SDA IN  
t
BUF  
t
AA  
t
DH  
SDA OUT  
Figure 5. Bus Timing  
http://onsemi.com  
5
CAT24C128  
Write Operations  
latched and the address count automatically increments to  
and then wrapsaround at the page boundary. Previously  
loaded data can thus be overwritten by new data. What is  
eventually written to memory reflects the latest Page Write  
Buffer contents. Only data loaded within the most recent  
Page Write sequence will be written to memory.  
Byte Write  
Upon receiving a Slave address with the R/W bit set to ‘0’,  
the CAT24C128 will interpret the next two bytes as address  
bytes. These bytes are used to initialize the internal address  
counter; the 2 most significant bits are ‘don’t care’, the next  
8 point to one of 256 available pages and the last 6 point to  
a location within a 64 byte page. A byte following the  
address bytes will be interpreted as data. The data will be  
loaded into the Page Write Buffer and will eventually be  
written to memory at the address specified by the 14 active  
address bits provided earlier. The CAT24C128 will  
acknowledge the Slave address, address bytes and data byte.  
The Master then starts the internal Write cycle by issuing a  
STOP condition (Figure 6). During the internal Write cycle  
Acknowledge Polling  
The ready/busy status of the CAT24C128 can be  
ascertained by sending Read or Write requests immediately  
following the STOP condition that initiated the internal  
Write cycle. As long as internal Write is in progress, the  
CAT24C128 will not acknowledge the Slave address.  
Hardware Write Protection  
With the WP pin held HIGH, the entire memory is  
protected against Write operations. If the WP pin is left  
floating or is grounded, it has no impact on the operation of  
the CAT24C128. The state of the WP pin is strobed on the  
last falling edge of SCL immediately preceding the first data  
byte (Figure 9). If the WP pin is HIGH during the strobe  
interval, the CAT24C128 will not acknowledge the data byte  
and the Write request will be rejected.  
(t ), the SDA output will be tristated and additional Read  
WR  
or Write requests will be ignored (Figure 7).  
Page Write  
By continuing to load data into the Page Write Buffer after  
st  
the 1 data byte and before issuing the STOP condition, up  
to 64 bytes can be written simultaneously during one  
internal Write cycle (Figure 8). If more data bytes are loaded  
than locations available to the end of page, then loading will  
continue from the beginning of page, i.e. the page address is  
Delivery State  
The CAT24C128 is shipped erased, i.e., all bytes are FFh.  
BUS ACTIVITY:  
MASTER  
S
T
A
R
T
ADDRESS  
BYTE  
ADDRESS  
BYTE  
a a  
7 0  
S
T
O
P
DATA  
BYTE  
SLAVE  
ADDRESS  
a
13  
a  
8
S
P
* *  
A
C
K
A
C
K
A
C
K
A
C
K
SLAVE  
* = Don’t Care Bit  
Figure 6. Byte Write Sequence  
SCL  
SDA  
8th Bit  
Byte n  
ACK  
t
WR  
STOP  
CONDITION  
START  
CONDITION  
ADDRESS  
Figure 7. Write Cycle Timing  
http://onsemi.com  
6
 
CAT24C128  
BUS ACTIVITY:  
MASTER  
S
T
A
R
T
ADDRESS  
BYTE  
ADDRESS  
DATA  
BYTE  
n
DATA  
BYTE  
n+1  
DATA  
BYTE  
n+P  
S
T
O
P
BYTE  
SLAVE  
ADDRESS  
a
a  
a a  
13  
8
7
0
S
P
* *  
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
SLAVE  
* = Don’t Care Bit  
P v 63  
Figure 8. Page Write Sequence  
ADDRESS  
BYTE  
DATA  
BYTE  
1
8
a
9
1
8
d
SCL  
a
7
d
7
SDA  
WP  
0
0
t
SU:WP  
t
HD:WP  
Figure 9. WP Timing  
Read Operations  
Immediate Read  
with data, the Master instead follows up with an Immediate  
Read sequence, then the CAT24C128 will use the 14 active  
address bits to initialize the internal address counter and will  
shift out data residing at the corresponding location. If the  
Master does not acknowledge the data (NoACK) and then  
follows up with a STOP condition (Figure 11), the  
CAT24C128 returns to Standby mode.  
Upon receiving a Slave address with the R/W bit set to ‘1’,  
the CAT24C128 will interpret this as a request for data  
residing at the current byte address in memory. The  
CAT24C128 will acknowledge the Slave address, will  
immediately shift out the data residing at the current address,  
and will then wait for the Master to respond. If the Master  
does not acknowledge the data (NoACK) and then follows  
up with a STOP condition (Figure 10), the CAT24C128  
returns to Standby mode.  
Sequential Read  
If during a Read session the Master acknowledges the 1  
st  
data byte, then the CAT24C128 will continue transmitting  
data residing at subsequent locations until the Master  
responds with a NoACK, followed by a STOP (Figure 12).  
In contrast to Page Write, during Sequential Read the  
address count will automatically increment to and then  
wraparound at end of memory (rather than end of page).  
Selective Read  
To read data residing at a specific location, the internal  
address counter must first be initialized as described under  
Byte Write. If rather than following up the two address bytes  
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7
CAT24C128  
N
O
A
C
K
BUS ACTIVITY:  
MASTER  
S
T
A
R
T
S
T
O
P
SLAVE  
ADDRESS  
S
P
A
C
K
DATA  
BYTE  
SLAVE  
SCL  
SDA  
8
9
8th Bit  
DATA OUT  
NO ACK  
STOP  
Figure 10. Immediate Read Sequence and Timing  
BUS ACTIVITY:  
S
T
A
R
T
S
N
O
A
C
K
T
A
R
T
S
T
O
P
ADDRESS  
BYTE  
ADDRESS  
BYTE  
a a  
7 0  
SLAVE  
ADDRESS  
SLAVE  
ADDRESS  
MASTER  
a
a  
13  
8
S
S
P
* *  
A
C
K
A
C
K
A
C
K
A
C
K
DATA  
BYTE  
SLAVE  
* = Don’t Care Bit  
Figure 11. Selective Read Sequence  
N
O
A T  
C O  
K P  
BUS ACTIVITY:  
S
SLAVE  
ADDRESS  
MASTER  
P
A
C
K
A
C
K
A
C
K
A
C
K
DATA  
BYTE  
n
DATA  
BYTE  
n+1  
DATA  
BYTE  
n+2  
DATA  
BYTE  
n+x  
SLAVE  
Figure 12. Sequential Read Sequence  
http://onsemi.com  
8
CAT24C128  
PACKAGE DIMENSIONS  
PDIP8, 300 mils  
CASE 646AA01  
ISSUE A  
SYMBOL  
MIN  
NOM  
MAX  
A
5.33  
A1  
A2  
b
0.38  
2.92  
0.36  
3.30  
0.46  
1.52  
0.25  
9.27  
4.95  
0.56  
1.78  
0.36  
10.16  
b2  
c
1.14  
0.20  
9.02  
E1  
D
E
E1  
e
7.62  
6.10  
7.87  
6.35  
8.25  
7.11  
2.54 BSC  
7.87  
2.92  
10.92  
3.80  
eB  
L
PIN # 1  
IDENTIFICATION  
3.30  
D
TOP VIEW  
E
A2  
A1  
A
c
b2  
L
eB  
e
b
SIDE VIEW  
END VIEW  
Notes:  
(1) All dimensions are in millimeters.  
(2) Complies with JEDEC MS-001.  
http://onsemi.com  
9
CAT24C128  
PACKAGE DIMENSIONS  
SOIC 8, 150 mils  
CASE 751BD01  
ISSUE O  
SYMBOL  
MIN  
NOM  
MAX  
1.35  
A
A1  
b
1.75  
0.25  
0.51  
0.25  
0.10  
0.33  
0.19  
c
E1  
E
D
E
E1  
e
4.80  
5.80  
3.80  
5.00  
6.20  
4.00  
1.27 BSC  
h
0.25  
0.40  
0º  
0.50  
1.27  
8º  
L
PIN # 1  
IDENTIFICATION  
θ
TOP VIEW  
D
h
A1  
θ
A
c
e
b
L
SIDE VIEW  
END VIEW  
Notes:  
(1) All dimensions are in millimeters. Angles in degrees.  
(2) Complies with JEDEC MS-012.  
http://onsemi.com  
10  
CAT24C128  
PACKAGE DIMENSIONS  
TSSOP8, 4.4x3  
CASE 948AL01  
ISSUE O  
b
SYMBOL  
MIN  
NOM  
MAX  
A
A1  
A2  
b
1.20  
0.15  
1.05  
0.30  
0.20  
3.10  
6.50  
4.50  
0.05  
0.80  
0.19  
0.09  
2.90  
6.30  
4.30  
0.90  
E
c
E1  
D
3.00  
6.40  
E
E1  
e
4.40  
0.65 BSC  
1.00 REF  
0.60  
L
L1  
0.50  
0.75  
0º  
8º  
θ
e
TOP VIEW  
D
c
A2  
A
q1  
A1  
L1  
L
SIDE VIEW  
END VIEW  
Notes:  
(1) All dimensions are in millimeters. Angles in degrees.  
(2) Complies with JEDEC MO-153.  
http://onsemi.com  
11  
CAT24C128  
PACKAGE DIMENSIONS  
UDFN8, 2x3  
CASE 517AX01  
ISSUE O  
D
A
DETAIL A  
DAP SIZE 1.3 x 1.8  
E
PIN #1  
IDENTIFICATION  
E2  
A1  
PIN #1 INDEX AREA  
D2  
TOP VIEW  
SIDE VIEW  
BOTTOM VIEW  
SYMBOL  
MIN  
0.45  
0.00  
NOM  
MAX  
0.55  
0.05  
b
A
A1  
A3  
b
0.50  
0.02  
L
0.127 REF  
0.25  
K
0.20  
1.90  
1.50  
2.90  
0.10  
0.30  
e
D
2.00  
2.10  
1.70  
3.10  
0.30  
DETAIL A  
D2  
E
1.60  
3.00  
E2  
e
0.20  
0.50 TYP  
0.10 REF  
0.35  
A3  
K
A
L
0.30  
0.40  
A1  
Notes:  
(1) All dimensions are in millimeters.  
(2) Complies with JEDEC MO-229.  
FRONT VIEW  
http://onsemi.com  
12  
CAT24C128  
PACKAGE DIMENSIONS  
MSOP 8, 3x3  
CASE 846AD01  
ISSUE O  
SYMBOL  
MIN  
NOM  
MAX  
A
A1  
A2  
b
1.10  
0.15  
0.95  
0.38  
0.23  
3.10  
5.00  
3.10  
0.05  
0.75  
0.22  
0.13  
2.90  
4.80  
2.90  
0.10  
0.85  
c
D
3.00  
4.90  
E
E1  
E
E1  
e
3.00  
0.65 BSC  
0.60  
L
0.40  
0.80  
L1  
L2  
θ
0.95 REF  
0.25 BSC  
0º  
6º  
TOP VIEW  
D
A2  
A
DETAIL A  
A1  
e
b
c
SIDE VIEW  
END VIEW  
q
L2  
Notes:  
L
(1) All dimensions are in millimeters. Angles in degrees.  
(2) Complies with JEDEC MO-187.  
L1  
DETAIL A  
http://onsemi.com  
13  
CAT24C128  
Example of Ordering Information  
Prefix  
Device #  
Suffix  
CAT  
24C128  
Y
I
G  
T3  
Tape & Reel (Note 9)  
Temperature Range  
Lead Finish  
Company ID  
T: Tape & Reel  
3: 3000/Reel  
G: NiPdAu  
Blank: MatteTin  
I = Industrial (40°C to +85°C)  
E = Extended (40°C to +125°C)  
Product Number  
24C128  
Package  
L: PDIP  
W: SOIC, JEDEC  
Y: TSSOP  
HU3: UDFN (2 x 3 mm)  
Z: MSOP  
9. For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging  
Specifications Brochure, BRD8011/D.  
ORDERABLE PART NUMBERS  
Order Number  
Order Number  
CAT24C128LIG  
CAT24C128LEG  
CAT24C128WIGT3  
CAT24C128YIGT3  
CAT24C128HU3IGT3*  
CAT24C128ZIGT3  
CAT24C128WEGT3  
CAT24C128YEGT3  
CAT24C128HU3EGT3*  
CAT24C128ZEGT3  
*Part number is not exactly the same as the “Example of Ordering Information” shown above.  
For part numbers marked with “*” there are NO hyphens in the orderable part numbers.  
2
ON Semiconductor is licensed by Philips Corporation to carry the I C Bus Protocol.  
ON Semiconductor and  
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice  
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability  
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.  
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All  
operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights  
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications  
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should  
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,  
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death  
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal  
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.  
PUBLICATION ORDERING INFORMATION  
LITERATURE FULFILLMENT:  
N. American Technical Support: 8002829855 Toll Free  
USA/Canada  
Europe, Middle East and Africa Technical Support:  
Phone: 421 33 790 2910  
Japan Customer Focus Center  
Phone: 81357733850  
ON Semiconductor Website: www.onsemi.com  
Order Literature: http://www.onsemi.com/orderlit  
Literature Distribution Center for ON Semiconductor  
P.O. Box 5163, Denver, Colorado 80217 USA  
Phone: 3036752175 or 8003443860 Toll Free USA/Canada  
Fax: 3036752176 or 8003443867 Toll Free USA/Canada  
Email: orderlit@onsemi.com  
For additional information, please contact your local  
Sales Representative  
CAT24C128/D  
 

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